August 14, 2014 (Mankato, Minnesota) – ISG was recently named to the 2014 ZweigWhite Hot Firm List which recognizes the fastest-growing architecture, engineering, planning, and environmental consulting firms in the United States and Canada.
In an industry comprised of over 100,000 firms, the achievement demonstrates ISG’s ability to continue to grow and be recognized among the elite 100 fastest-growing firms in a very competitive industry. ISG earned the 31st spot in this year’s rankings. Rankings are based on a survey of industry firms conducted by ZweigWhite, the publisher of The Zweig Letter, and the nation’s leader in enhancing business performance for architecture, engineering, and environmental consulting sectors.“It is an honor to have I+S Group recognized on this prominent list of firms,” says President and CEO Chad Surprenant. “It is gratifying to see how our expertise and commitment to deliver responsive service continues to move us forward. Our staff’s broad perspective and diverse knowledge-base works well for our clients and being recognized in this manner indicates that our approach is successful.”


ISG launches the ISG Impact Fund to empower employee-driven philanthropy and strengthen communities. Celebrating Employee Ownership Month, the fund supports nonprofits aligned with ISG’s core values.

I&S Group (ISG), a full-service architecture and engineering firm with offices spanning seven states, has acquired Lift Environmental Design, an award-winning landscape architecture and planning firm in Durham, North Carolina.